/// 
/// MaDAson - Toolkit for Model Driven Software Development
/// 
/// Copyright [2006] Marcus Lankenau
/// 
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///  
///     http://www.apache.org/licenses/LICENSE-2.0
///  
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
/// 

using System;
using System.Collections.Generic;
using System.Text;
using NUnit.Core;
using NUnit.Framework;
using Madason.MetaModel.Validation;

namespace Madason.MetaModel.Tests
{
	[TestFixture]
	public class TestStateTransition
	{

		[Test]
		public void TestTransitionHasEvent()
		{
			State state = new State();
			state.Name = "SomeState";
			StateTransition trans = new StateTransition();
			trans.Source = state;
			trans.Target = state;
			ValidationIssueList validationIssues = new ValidationIssueList();
			trans.Validate(validationIssues);
			Assert.IsTrue(validationIssues.ContainsMessage(StateTransition.WARNING_TRANSITION_NO_EVENT), "Transition should warn about missing event");
		}


		[Test]
		public void TestTransitionHasNoEventButFromInitialState()
		{
			State state = new State();
			state.Name = "SomeState";
			state.StateType = StateType.Initial;
			StateTransition trans = new StateTransition();
			trans.Source = state;
			trans.Target = state;
			ValidationIssueList validationIssues = new ValidationIssueList();
			trans.Validate(validationIssues);
			Assert.AreEqual(0, validationIssues.Count);
		}

		[Test]
		public void TestTransitionHasNoEventButFromChoicePoint()
		{
			State state = new State();
			state.Name = "SomeState";
			state.StateType = StateType.Branch;
			StateTransition trans = new StateTransition();
			trans.Source = state;
			trans.Target = state;
			ValidationIssueList validationIssues = new ValidationIssueList();
			trans.Validate(validationIssues);
			Assert.AreEqual(0, validationIssues.Count);
		}

	}
}
